by Barandev
Online ZIP to PDF Converter
from flask import Flask, render_template, request, send_from_directory
# Removed incorrect import as Markup is not used
from gunicorn.app.base import BaseApplication
from logging_config import configure_logging
import os
import tempfile
import zipfile
import urllib
app = Flask(__name__)
@app.route("/")
def index():
return render_template('index.html')
@app.route("/download_pdf")
def download_pdf():
path = request.args.get('path')
if not path:
app.logger.error("No path provided for PDF download.")
return {"error": "No path provided for PDF download."}, 400
filename = os.path.basename(path)
directory = os.path.dirname(path)
if not os.path.exists(os.path.join(directory, filename)):
Frequently Asked Questions
What are some potential business applications for this Online ZIP to PDF Converter?
The Online ZIP to PDF Converter has several business applications: - Document management: Companies can use it to quickly extract and organize PDFs from archived ZIP files. - Legal firms: Lawyers can easily distribute multiple case documents to clients or colleagues. - Educational institutions: Teachers can upload ZIP files containing student assignments and get individual PDFs for grading. - Publishing industry: Publishers can extract multiple manuscript submissions from a single ZIP file. - Real estate: Agents can share property documents with clients more efficiently.
How can this Online ZIP to PDF Converter improve workflow efficiency in a business setting?
This tool can significantly improve workflow efficiency by: - Saving time: Instead of manually extracting PDFs from ZIP files, users can do it in one click. - Improving organization: The converter provides a neat table of contents with download links for each PDF. - Enhancing accessibility: Team members can easily access specific PDFs without downloading the entire ZIP file. - Reducing errors: Automated extraction minimizes the risk of missing or misplacing files during manual unpacking. - Facilitating remote work: It allows easy sharing of multiple PDFs across distributed teams.
What security considerations should be taken into account when implementing this Online ZIP to PDF Converter in a business environment?
When implementing the Online ZIP to PDF Converter in a business environment, consider: - Data encryption: Ensure that file transfers are encrypted (e.g., using HTTPS). - Access control: Implement user authentication to restrict access to authorized personnel. - Temporary file management: Ensure that extracted files are securely deleted after processing. - File size limits: Set appropriate limits to prevent potential denial-of-service attacks. - Content scanning: Implement virus scanning for uploaded ZIP files. - Audit logging: Keep logs of file conversions for security and compliance purposes.
How can I modify the Online ZIP to PDF Converter to support additional file types?
To support additional file types, you can modify the convert_zip_to_pdf
function in main.py
. Here's an example of how you might extend it to include Word documents:
python
@app.route("/convert", methods=['POST'])
def convert_zip_to_pdf():
# ... existing code ...
supported_extensions = ('.pdf', '.docx') # Add more extensions as needed
files = [os.path.join(root, file) for root, dirs, files in os.walk(temp_dir)
for file in files if file.endswith(supported_extensions)]
if not files:
app.logger.error("No supported files found in the uploaded ZIP.")
return {"error": "No supported files found in the uploaded ZIP."}, 400
table_content = "<table>"
for file in files:
file_name = os.path.basename(file)
file_link = "/download_file?path=" + urllib.parse.quote(temp_dir + '/' + file_name)
table_content += f"<tr><td>{file_name}</td><td><a href='{file_link}' download='{file_name}'>Download</a></td></tr>"
table_content += "</table>"
# ... rest of the function ...
You'll also need to update the frontend to accept these new file types and create a new download route for non-PDF files.
Can the Online ZIP to PDF Converter be modified to preview PDF contents before download?
Yes, you can modify the converter to include PDF previews. This would involve changes to both the backend and frontend. Here's a basic example of how you might implement this:
In main.py
, add a new route for PDF previews:
```python from flask import send_file
@app.route("/preview_pdf") def preview_pdf(): path = request.args.get('path') if not path or not os.path.exists(path): return {"error": "PDF file not found."}, 404 return send_file(path, mimetype='application/pdf') ```
In script.js
, modify the table generation to include a preview link:
``javascript
.then(data => {
if(data && data.success) {
const outputTableDiv = document.getElementById('outputTable');
let tableContent = "<table>";
data.files.forEach(file => {
tableContent +=
function previewPDF(previewLink) { window.open(previewLink, '_blank', 'width=800,height=600'); } ```
These modifications would allow users to preview PDFs in a new window before deciding to download them, enhancing the functionality of the Online ZIP to PDF Converter.
Created: | Last Updated:
Introduction to the ZIP to PDF Converter Template
Welcome to the ZIP to PDF Converter template! This template is designed to help you build an application that can convert multiple PDF files within a ZIP archive into an HTML table for easy access and download. This is particularly useful for users who need to handle batches of PDF documents and want a quick way to access them individually after uploading a single ZIP file.
Getting Started
To begin using this template, simply click on "Start with this Template" on the Lazy platform. This will pre-populate the code in the Lazy Builder interface, so you won't need to copy, paste, or delete any code manually.
Test: Deploying the App
Once you have started with the template, the next step is to deploy the app. To do this, press the "Test" button on the Lazy platform. This will initiate the deployment process and launch the Lazy CLI. The Lazy platform handles all the deployment details, so you don't need to worry about installing libraries or setting up your environment.
Using the App
After pressing the "Test" button and the app is deployed, you will be provided with a dedicated server link to use the app. Here's how to use the interface:
- Visit the provided server link to access the app's homepage.
- On the homepage, you will see a form where you can upload your ZIP file containing the PDF documents.
- Select your ZIP file and click on the "Convert to PDF" button to start the conversion process.
- Once the conversion is complete, the app will display an HTML table with the names of the PDF files and download links for each file.
- Click on the download link next to the PDF file name to download the individual PDF files.
Integrating the App
If you wish to integrate this app into an external service or frontend, you can use the server link provided by Lazy to make API calls to the "/convert" endpoint. This endpoint accepts a POST request with the ZIP file and returns a JSON response with a success message and the HTML content for the table.
Here is a sample request you might send to the "/convert" endpoint:
POST /convert HTTP/1.1<br>
Host: [Your Server Link]<br>
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW<br>
<br>
------WebKitFormBoundary7MA4YWxkTrZu0gW<br>
Content-Disposition: form-data; name="zipFile"; filename="example.zip"<br>
Content-Type: application/zip<br>
<br>
[Binary data of the ZIP file]<br>
------WebKitFormBoundary7MA4YWxkTrZu0gW--
And here is a sample response you might receive:
{
"success": true,
"table_content": "<table>...</table>"
}
Use the JSON response to display the table on your own webpage or handle the data as needed for your application.
If you encounter any issues or have questions about using this template, the Lazy platform provides support to help you resolve them.
Happy building with the ZIP to PDF Converter template!
Here are 5 key business benefits for this ZIP to PDF Converter template:
Template Benefits
-
Streamlined Document Management: This tool allows businesses to quickly extract and access individual PDF files from compressed ZIP archives, improving document organization and retrieval efficiency.
-
Enhanced Client Communication: Companies can use this converter to easily share multiple PDF documents with clients or partners by first compressing them into a ZIP file for easy transfer, then allowing the recipient to extract and access individual PDFs.
-
Improved Workflow for Digital Archives: Organizations dealing with large volumes of archived PDFs can use this tool to manage and distribute documents from their digital archives more effectively, saving time and reducing manual handling.
-
Cost-Effective Document Processing: By providing an in-house solution for ZIP to PDF conversion, businesses can avoid subscription fees for third-party document management services, potentially reducing operational costs.
-
Increased Productivity: The simple, user-friendly interface allows employees to quickly convert and access PDF files without specialized training, potentially increasing overall productivity in document-heavy workflows.